CVE-2024-29640 in aliyundrive-webdav
Summary
by MITRE • 03/29/2024
An issue in aliyundrive-webdav v.2.3.3 and before allows a remote attacker to execute arbitrary code via a crafted payload to the sid parameter in the action_query_qrcode component.
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Analysis
by VulDB Data Team • 08/28/2024
The vulnerability identified as CVE-2024-29640 affects the aliyundrive-webdav component version 2.3.3 and earlier, presenting a critical remote code execution risk that stems from improper input validation within the action_query_qrcode functionality. This flaw resides in the sid parameter handling mechanism, where the application fails to adequately sanitize user-supplied data before processing it within the system. The vulnerability represents a classic injection flaw that enables attackers to manipulate the application's behavior through crafted malicious inputs, potentially leading to complete system compromise. The affected component specifically processes QR code queries and authentication tokens, making it a prime target for exploitation in scenarios involving unauthorized access attempts or privilege escalation.
This vulnerability manifests as a command injection or code execution flaw that aligns with CWE-77 and CWE-94 categories, where insufficient input sanitization allows malicious payloads to be interpreted and executed as system commands. The sid parameter serves as the attack vector, accepting user-controlled data that gets directly incorporated into system operations without proper validation or encoding. The ATT&CK framework categorizes this as a command injection technique under T1059.001, where adversaries leverage application vulnerabilities to execute arbitrary code on target systems. The flaw operates by allowing attackers to inject malicious commands through the QR code query mechanism, potentially enabling them to execute arbitrary code with the privileges of the affected application process.
The operational impact of CVE-2024-29640 extends beyond simple code execution to encompass full system compromise and data exfiltration capabilities. An attacker exploiting this vulnerability could gain unauthorized access to stored files, potentially accessing sensitive data within the cloud storage environment. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the target system. This vulnerability particularly affects organizations relying on aliyundrive-webdav for cloud storage solutions, as successful exploitation could lead to unauthorized access to business-critical data, disruption of services, and potential regulatory compliance violations. The attack surface is further expanded by the fact that QR code functionality is often used in mobile applications and web interfaces, making the vulnerability accessible through multiple access points.
Mitigation strategies for CVE-2024-29640 should prioritize immediate patching of the affected aliyundrive-webdav component to version 2.3.4 or later, which contains the necessary input validation fixes. Organizations should implement proper parameter sanitization and input validation mechanisms for all user-supplied data, particularly within authentication and QR code processing components. Network segmentation and firewall rules should be configured to limit access to the affected service, reducing the attack surface. The implementation of web application firewalls and input validation layers can provide additional protection against similar injection attacks. Security monitoring should be enhanced to detect unusual patterns in QR code query requests and authentication attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar issues in other components. Organizations should also consider implementing principle of least privilege access controls and regular security updates to prevent exploitation of similar vulnerabilities in other applications within their infrastructure.